//
//  UIBarButtonItem+Extension.swift
//  mySwiftVV
//
//  Created by hu yr on 2016/12/12.
//  Copyright © 2016年 terry. All rights reserved.
//

import UIKit

extension UIBarButtonItem{
    
    
    /// 创建UIBarButtonItem
    ///
    /// - Parameters:
    ///   - title: title
    ///   - fontSize: fontsize 默认16
    ///   - target: target
    ///   - action: action
    ///   - isBackButton: 是否是返回按钮, 如果是加上箭头
    convenience init(title : String , fontSize : CGFloat = 16, target: AnyObject? , action: Selector, isBackButton : Bool = false) {
        
        let btn: UIButton = UIButton.cz_textButton(title, fontSize: fontSize, normalColor: UIColor.darkGray, highlightedColor: UIColor.orange)
        
        if isBackButton {
            let imageName = "navigationbar_back_withtext"
            btn.setImage(UIImage(named: imageName), for: .normal)
            btn.setImage(UIImage(named: imageName + "_highlighted"), for: .highlighted)
            
            btn .sizeToFit()
        }
        
//        btn.addTarget(self, action: #selector(showNext), for: .touchUpInside)
        
        btn.addTarget(target, action: action, for: .touchUpInside)
        
        //self.init 实例化 UIBarButtonItem
        self.init(customView: btn)
        
    }
}
